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Schedule of Inventory (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]      
Finished goods $ 319,335 $ 201,778 $ 1,041,369
Work in progress 2,595 4,231 3,851
Raw materials 237,705 214,145 257,399
Allowance for excess & obsolete inventory (79,281) (93,045) (71,376)
Inventory, net $ 480,354 $ 327,109 $ 1,231,243